ArcView world coordinates file
File type: GIS, GPS navigation and map file
Files with twf extension can be encountered as data files with world coordinates from ArcView / ArcGIS for Desktop by ESRI.
Found 4 different file type records with the same twf filename suffix.
File type category:
GIS, GPS navigation and map file
Date updated: December 4, 2023
File extension twf is probably best known for specific use in ESRI ArcView GIS software.
twf files provide real world coordinate information that allows a corresponding .tif file to be correctly positioned on a map or in a mapping system.
They are in ASCII editable format that contain six numbers, one on each line. Something like this:
0.7 0 0 -0.9 547000.216 789412.471
Each line provides the following information:
Occasionally the twf files can also have two additional lines, but they are not part of the standard ArcView TWF file format.
Use ArcView (ArcGIS for Desktop) to open .twf world coordinates files.
ArcGIS can be able to export .twf files to other file formats.
Software applications that can open twf files:
Microsoft Windows
Software applications that can edit twf files:
Microsoft Windows
Software capable of saving twf files:
Microsoft Windows
Software apps that create twf files:
Microsoft Windows
Software apps that export twf files:
Microsoft Windows
File type category:
Various data file
Date updated: June 27, 2017
Record marked as obsolete and not updated for a long time.
The twf file extension is associated with portable electronic organizers and digital diaries that allows users to store contacts, memos etc. developed by Casio.
The twf file stores various data used for internal purposes of the Casio organizer.
File type category:
Various data file
Date updated: October 17, 2026
Record marked as obsolete and not updated for a long time.
The twf file extension is associated with TabWorks, a graphical shell for Microsoft Windows 3.x and Microsoft Windows 95 developed by Xerox.
A twf file contains data used by TabWorks.
The TWF format is obsolete and is no longer in common use.
Open a twf file with TabWorks on Microsoft Windows 3.x or Microsoft Windows 95. An original TabWorks installation or a compatible legacy Windows environment may be required.
Modern Windows applications generally do not support this obsolete format.
There is no generally available converter for the twf file format. If TabWorks provides an export function for the data, open the file in TabWorks and export it to a supported format.
File type category:
Internet related file
Date updated: October 17, 2026
Record marked as obsolete and not updated for a long time.
The twf file extension identifies the Tecgraf Web Format, a graphics format developed by Tecgraf for distributing drawings over the Web. A drawing can include lines, regions, text, and images.
The format was intended for displaying, browsing, and printing drawings. It is obsolete.
No specific current application is listed for opening twf files. If a file came from an older Tecgraf Web system, try the software or system that created it.
No specific conversion software is listed for the Tecgraf Web Format. If compatible Tecgraf software can open the drawing, use its export functions to save it in a current graphics or document format.
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